[r/ClaudeAI]score: 0.16
I Built My Own OS From Scratch With Fable
June 12, 2026
RedPandaOS is a bare-metal hobby OS written in pure C and Assembly with no external libraries, built using Modular's Fable AI coding tool on a MAX 20 plan. The project targets a full userspace including a custom programming language, browser, dev tools, and GPU drivers. Source is available on GitHub.